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MOLECULARLY TARGETED: HER2/ERBB2 amp or mut; TMB-h: myTACTIC Arm J

myTACTIC: An open-label Phase II study evaluating targeted therapies in patients who have advanced solid tumors with genomic alterations or protein expression patterns predictive of response: Arm J: Trastuzumab emtansine plus atezolizumab in patients with ERBB2 amplification or mutation plus TMB-H/MSI-H/dMMR-positive tumors

Title
Genentech ML42439 (myTACTIC) ERBB2 TMB high
Study Title

myTACTIC: An open-label Phase II study evaluating targeted therapies in patients who have advanced solid tumors with genomic alterations or protein expression patterns predictive of response: Arm J: Trastuzumab emtansine plus atezolizumab in patients with ERBB2 amplification or mutation plus TMB-H/MSI-H/dMMR-positive tumors

Site Link
Malignancy
Lung, Colon, Prostate, Small Cell lung, thyroid, head and neck, HNSCC, liver, pancreas, endometrial, cervical, ovarian, skin, melanoma, leukemia, lymphoma, urothelial (bladder), kidney (RCC), myeloma, gastric, small bowel,
Stage
Disease Setting
Metastatic/Palliative
Line Of Therapy
Any line
Investigational Agent
TD-M1 + atezolizumab
Drug Class
anti-HER2 agent and anti-PD-L1 agent
PI
Axel Grothey, MD
Sponsor
Genentech, Inc.
Phase
Status
Key Eligibility Criteria
Key Eligibility Criteria Details
  • Histologically or cytologically confirmed advanced unresectable or metastatic solid malignancy
  • Positive biomarker results from a CLIA certified lab, either tissue or blood sample
  • No breast cancer (breast cancer is excluded)
  • Either ERBB2 (HER2) amplification defined as a copy number of 6 or higher via FISH, CISH or DNA NGS assay OR
  • Any of the following ERBB2 mutations:
    • 222C; R226S; E265K; D277H; G292R; G309A/E; S310F/Y; C311R/S; E321G; C334S; S418T; A440T; P551L; R552S; S653C; V659E; G660D; R678Q; T733I; L755P/S_T759del; I767M; L768S; D769H/N/Y; Y772_A775dup; A775_G776ins(SVMA/VVMA/YAMA/YVMA/YVMD); G776delins(VC/VV/LC); V777L; G778_P780dup; V779A/L; T798M; L841V; V842I; N857S; T862A; L869R; H878Y; R896C​​G
  • Must ALSO have one of the following alterations
    • ​TMB > or =10 mutations/megabase
    • MSI-h
    • dMMR (negative IHC for MLH1, MSH2, MSH6, or PMS2_
  • ECOG PS 0-2
  • No symptomatic CNS metastases
  • No known HIV/HBV/HCV
  • No other malignancy within 3 years of study
  • No prior treatment with crizotinib
  • No active autoimmune disease
Objective
  • Primary-
    • ORR
  • Secondary
    • PFS
    • DoR
    • OS
    • PFS at various time points
    • DCR
    • Safety
Assessment Frequency
_
Assessment Frequency 2
_



Assessment Frequency Link
Path
ERBB amplificaiton or mutation AND TMB-h or MSI-h or dMMR
Dosing Frequency
Control Agents
Study Protocol
Randomized
No
X